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Yoshimura KX250F 17-20 RS-4 Stainless Slip-On Exhaust, W/ Aluminum Muffler

The work that went into developing the RS-4 muffler has paid big dividends in Off-road Racing; winning multiple Supercross and Motocross titles since it's inception. We've developed the current generation RS-4 based on that research & development, and the result is a unique design that provides an unrivaled combination of power and quiet exhaust tone. The RS-4 features a Polyresonant duplex chamber and two-staged stepped baffle for increased performance, while a carbon cone end cap finishes off its innovative styling.

  • Pentagonal-shaped sleeve
  • Front muffler cap functions as a polyresonant chamber which helps reduce noise
  • Two-stage stepped baffle
  • Carbon fiber end-cap
  • Stainless steel tail-pipe
  • Repack Kits, optional Inserts and Spark Arresters are available for all models

        This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory may not be compatible with this product.

        Attention international customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility, including fitment and performance, may vary by marketplace.

        Fitment:

        • Kawasaki KX250F 2017
        • Kawasaki KX250F 2018
        • Kawasaki KX250F 2019
        • Kawasaki KX250F 2020
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        Yoshimura KX250F 17-20 RS-4 Stainless Slip-On Exhaust, W/ Aluminum Muffler

        SKU: YO-242932D320
        Regular price $1,049.99 $997.99 5% off
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        Yoshimura KX250F 17-20 RS-4 Stainless Slip-On Exhaust, W/ Aluminum Muffler

        The work that went into developing the RS-4 muffler has paid big dividends in Off-road Racing; winning multiple Supercross and Motocross titles since it's inception. We've developed the current generation RS-4 based on that research & development, and the result is a unique design that provides an unrivaled combination of power and quiet exhaust tone. The RS-4 features a Polyresonant duplex chamber and two-staged stepped baffle for increased performance, while a carbon cone end cap finishes off its innovative styling.

        • Pentagonal-shaped sleeve
        • Front muffler cap functions as a polyresonant chamber which helps reduce noise
        • Two-stage stepped baffle
        • Carbon fiber end-cap
        • Stainless steel tail-pipe
        • Repack Kits, optional Inserts and Spark Arresters are available for all models

              This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory may not be compatible with this product.

              Attention international customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility, including fitment and performance, may vary by marketplace.

              Fitment:

              • Kawasaki KX250F 2017
              • Kawasaki KX250F 2018
              • Kawasaki KX250F 2019
              • Kawasaki KX250F 2020